fixed aprun to be called from the local path as opposed to where slurm was...

fixed aprun to be called from the local path as opposed to where slurm was installed in the srun wrapper.

contribs/cray/srun.pl

@@ -139,7 +139,7 @@ my (	$account,
 	$wc_key
 );
 
-my $aprun  = "${FindBin::Bin}/aprun";
+my $aprun  = "aprun";
 my $salloc = "${FindBin::Bin}/salloc";
 
 my $have_job;